Skip to main content

Alex & Co Engagement Rings

to
2
2
2
1
1
3
5
6.5
7
3
3
1
1
1
to
10
720
530
513
451
2
1
3
3
Creator: Alex & Co
Vintage Inspired 1.13ct Round Diamond & Halo Pave Diamond Engagement Ring Set
By Alex & Co
Located in Newton, MA
Reminiscent of another era, this Alex & Co signature vintage-style for our Bridal Collection is a magnificent 18K white gold engagement ring and elegant couture prefect fitted diamon...
Category

21st Century and Contemporary American Art Deco Alex & Co Engagement Rings

Materials

Diamond, 18k Gold, White Gold

Alex & Co 1.53ct Marquise Certified Diamond & Platinum Engagement Ring
By Alex & Co
Located in Newton, MA
Alex & Co signature bespoke modern and classic style engagement ring handcrafted in platinum and 18 karat yellow gold at our in-house studio. This stunning setting features a GIA cer...
Category

21st Century and Contemporary North American Art Deco Alex & Co Engagement Rings

Materials

Diamond, 18k Gold, Yellow Gold, Platinum

Alex & Co GIA 1.53ct F VS2 Cushion Diamond Double Halo Platinum Engagement Ring
By Alex & Co
Located in Newton, MA
Alex & Co signature bespoke diamond double halo engagement ring is handcrafted in platinum at our in-house studio. This stunning setting features a GIA certified a prong set 1.53ct. ...
Category

21st Century and Contemporary American Modern Alex & Co Engagement Rings

Materials

Diamond, Platinum

Related Items
Tiffany & Co. Platinum .30ct Lucida Diamond Engagement Ring
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum .30ct Lucida Diamond Engagement Ring 5 Metal: Platinum Size: 5 Weight: 3.50 grams Diamond: Tiffany Lucida cut diamond, carat total weight .30, F color, VVS1 c...
Category

2010s American Alex & Co Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. The Tiffany Iconic Platinum Round VS2 Gia Diamond Engagement Ring
By Tiffany & Co.
Located in Houston, TX
Brand: Tiffany & Co. Gender: Ladies Metal Type: 950 Platinum Ring Size: 4.5 Width: 2.20 mm Weight: 4.79 grams 950 Platinum diamond solitaire engagement ring with a half round s...
Category

21st Century and Contemporary Unknown Alex & Co Engagement Rings

Materials

Diamond, Platinum

TIFFANY & Co. Platinum .48ct Diamond Engagement Ring 5.5
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum .48ct Diamond Engagement Ring 5.5 Metal: Platinum Size: 5.5 Diamond: carat total weight .48ct, I color, VVS2 clarity Hallmark: ©TIFFANY&Co. PT950 62410698 D...
Category

2010s American Alex & Co Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. Soleste Oval Diamond 0.60 ct E VS2 Halo Engagement Ring Platinum
By Tiffany & Co.
Located in San Diego, CA
Tiffany & Co. Soleste Oval Diamond Engagement Ring Style: Soleste Halo with a Diamond Band Ref. number: 69159958 Certificate: GIA 1236367637 Metal: Plati...
Category

2010s Alex & Co Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. 1.13ct G VVS2 Lucida Radiant Cut Solitaire Engagement Ring
By Tiffany & Co.
Located in Tampa, FL
This classic Tiffany & Co. solitaire diamond engagement ring features a 1.13 carat Lucida cut diamond graded G in color and VVS2 clarity by Tiffany & Co. The ring is accompanied by...
Category

21st Century and Contemporary American Modern Alex & Co Engagement Rings

Materials

Diamond, Platinum

Tiffany & Co. Platinum Oval Diamond Engagement Ring 2.06 Ct D/VVS2 GIA Certified
By Tiffany & Co.
Located in Mayfair, London, London
A stunning platinum diamond ring by Tiffany & Co. The ring comprises of an oval cut diamond in a 4 claw setting with a weight of 2.06ct, D colour and VVS2 clarity. The ring is a size...
Category

21st Century and Contemporary Alex & Co Engagement Rings

Materials

Diamond, Platinum

1.53ct Diamond Three Stone Ring 18 Karat White Gold
Located in BEVERLY HILLS, CA
Three stone diamond ring. 1.53 carats total, stones averaging 0.51ct. Approximately H/I color grade and SI1 clarity grade. Four prong set, 18k white gold. Accommodated with an up-to-...
Category

21st Century and Contemporary American Contemporary Alex & Co Engagement Rings

Materials

White Diamond, Diamond, White Gold, 18k Gold

GIA Certified Platinum Cushion Cut Diamond Engagement Ring 2.00 Carat F/VS2
Located in Mayfair, London, London
A stunning platinum cushion cut diamond engagement ring. The ring comprises of a cushion cut diamond in a four claw setting with a weight of 2.00ct, F colour and VS2 clarity. The rin...
Category

21st Century and Contemporary Alex & Co Engagement Rings

Materials

Diamond, Platinum

TIFFANY & Co. Harmony Platinum .53ct Diamond Engagement Ring 5
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Harmony Platinum .53ct Diamond Engagement Ring 5 Metal: Platinum Size: 5 Diamond: round brilliant diamond, carat total weight .53, F color, VS2 clarity Hallmark: ©TIFF...
Category

2010s American Alex & Co Engagement Rings

Materials

Diamond, Platinum

TIFFANY & Co. Platinum .65ct Diamond Engagement Ring 6
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum .65ct Diamond Engagement Ring 6 Metal: Platinum Size: 6 Diamond: Round brilliant diamond, carat total weight .65ct, Color G, Clarity VS1 Hallmark: ©TIFFANY&Co...
Category

2010s American Alex & Co Engagement Rings

Materials

Diamond, Platinum

TIFFANY & Co. Platinum .41ct Diamond Engagement Ring 6.5
By Tiffany & Co.
Located in Los Angeles, CA
TIFFANY & Co. Platinum .41ct Diamond Engagement Ring 6.5 Metal: Platinum Size: 6.5 Diamond: round brilliant diamond, carat total weight .41ct, H Color, VS1 Clarity Hallmark: ©TIFFAN...
Category

2010s American Alex & Co Engagement Rings

Materials

Diamond, Platinum

Contemporary 1.13ct Ceylon Sapphire & Diamond Ring 18ct White Gold
Located in Hamilton, AU
ETERNAL ECHO A sea of stars in boundless light, A gleaming pulse in velvet night. Each ray a tale of love untold, A timeless dream in blue and gold. Encircled bright in frozen fire...
Category

21st Century and Contemporary Australian Contemporary Alex & Co Engagement Rings

Materials

Aquamarine, Diamond, Gold, 18k Gold, White Gold

Alex & Co engagement rings for sale on 1stDibs.

Find a range of Alex & Co engagement rings available on 1stDibs. Each of these unique items was designed with extraordinary care, often using white gold. While looking for the most stylish antique or vintage Alex & Co jewelry to pair with your ensemble, you’ll find that Alex & Co diamond engagement rings, from our inventory of 2, can add a particularly distinctive touch to your look. We have 2 pieces in this collection as well as a number of other designs by this jeweler. While this collection reflects work that originated over various time periods, most of these items were designed during the 21st century and contemporary. Prices for Alex & Co engagement rings can differ depending upon gemstone, time period and other attributes. On 1stDibs, the price for these items starts at $8,950 and tops out at $29,000, while pieces like these, on average, can sell for $18,975.

Recently Viewed

View All